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All results from a given calculation for CH3NO3 (Methyl nitrate)

using model chemistry: B3PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-320.125088
Energy at 298.15K-320.130814
Nuclear repulsion energy188.616564
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3183 3070 3.86      
2 A' 3064 2956 15.46      
3 A' 1761 1699 429.99      
4 A' 1466 1414 4.51      
5 A' 1438 1387 54.34      
6 A' 1353 1305 182.88      
7 A' 1182 1140 1.02      
8 A' 1039 1002 92.62      
9 A' 881 849 172.35      
10 A' 679 655 20.43      
11 A' 586 566 2.58      
12 A' 342 330 3.28      
13 A" 3163 3051 11.79      
14 A" 1443 1392 11.54      
15 A" 1155 1114 0.57      
16 A" 785 758 11.98      
17 A" 207 200 0.76      
18 A" 146 141 1.74      

Unscaled Zero Point Vibrational Energy (zpe) 11936.4 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 11513.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3PW91/aug-cc-pVDZ
ABC
0.39601 0.15771 0.11531

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.616 0.000
O2 -1.206 0.550 0.000
O3 0.716 1.580 0.000
O4 0.712 -0.592 0.000
C5 -0.136 -1.748 0.000
H6 0.574 -2.581 0.000
H7 -0.762 -1.774 0.899
H8 -0.762 -1.774 -0.899

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.20831.20011.40212.36843.24852.66502.6650
O21.20832.18102.23182.53463.60142.53042.5304
O31.20012.18102.17133.43504.16293.77333.7733
O41.40212.23182.17131.43381.99392.09242.0924
C52.36842.53463.43501.43381.09471.09621.0962
H63.24853.60144.16291.99391.09471.80191.8019
H72.66502.53043.77332.09241.09621.80191.7989
H82.66502.53043.77332.09241.09621.80191.7989

picture of Methyl nitrate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O4 C5 113.260 O2 N1 O3 129.800
O2 N1 O4 117.319 O3 N1 O4 112.881
O4 C5 H6 103.292 O4 C5 H7 110.885
O4 C5 H8 110.885 H6 C5 H7 110.666
H6 C5 H8 110.666 H7 C5 H8 110.272
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 1.123      
2 O -0.492      
3 O -0.529      
4 O -0.526      
5 C 0.865      
6 H -0.262      
7 H -0.090      
8 H -0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.393 -3.190 0.000 3.214
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.598 0.087 0.000
y 0.087 -26.613 0.000
z 0.000 0.000 -27.062
Traceless
 xyz
x -4.760 0.087 0.000
y 0.087 2.717 0.000
z 0.000 0.000 2.043
Polar
3z2-r24.086
x2-y2-4.985
xy0.087
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.743 0.374 0.000
y 0.374 7.249 0.000
z 0.000 0.000 3.915


<r2> (average value of r2) Å2
<r2> 99.894
(<r2>)1/2 9.995